Clearbit - Clearbit provides Business Intelligence APIs
clockodo - Clockodo is a time tracking software for small and medium-sized companies.
ZoomInfo - ZoomInfo is a B2B database providing detailed business information on people and companies.
Papershift - Widely used and loved by shift planners & HR Teams of small & medium businesses.
LinkedIn Sales Navigator - Sales tool for LinkedIn users.
Sawayo.de - The business owner tool which saves hundreds of hours spend on non-value-adding tasks like employee time tracking, compliance research and workflow implementation (available in German).